When you have decided to protect your photos copyright with watermarks, you will need to decide on a specific watermarks. It is good to be consistent and always use the same type. Here are some of the photo watermark types
If you will be posting them online or emailing them, you never know what will happen, because you photos have no copyright protection from watermark...
Consider the following scenario: Alice, the copyright holder, inserts her own photo watermark into some object, locks the original away and keeps selling the marked image...
What is watermark? Although different authors use different meanings for the word 'watermark', it is mostly agreed that the watermark is one, which is imperceptibly added to the cover-signal in order to convey the hidden data.